Concessão da patente
#16.1
02/28/1989
RPI 958
The letters patent expired on 12/07/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 02/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Eucatex S/A. Indústria e Comércio
SP, BR
Inventors
A. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/28/1989
RPI 958
#13.1
07/12/1988
RPI 925
04/05/1988
RPI 911
08/04/1987
RPI 876
#12.2
05/05/1987
RPI 863
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01/13/1987
RPI 847
#5.1
05/20/1986
RPI 813
#4.1
03/11/1986
RPI 803
#4.2
10/29/1985
RPI 784
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04/02/1985
RPI 754
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11/01/1983
RPI 680
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era E04B 5/52.
03/27/2018
RPI 2464
#21.1
12/07/1993
RPI 1201
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